Step 1: In Excel, open the document you want to secure with a password. Now that you’ve password-protected your most essential files, it might be worth considering adding extra layers of ...

How to set a password to encrypt an Excel spreadsheet 1. With your Excel spreadsheet open, click on the "File" tab, then click on "Info." 2. Click on the box labeled "Protect Workbook" to open a ...

If it's the Apple office applications that you're using, the process of adding a password couldn't be much easier. With the file open in Pages, Numbers, or Keynote, select File and then Set ...